Quarterly Air Transport Chartbook IATA Sustainability & Economics Q4 2023 Table of Contents Table of Contents ........................ 2 Glossary ............................ 3 Table of Charts ...................... 4 I. The Business Cycle ...................... 6 II. Energy Transition .......................... 8 Conventional Aviation Fuel ......................... 8 Sustainable Aviation Fuel ..................... 8 III. Passenger and Cargo Traffic .................